Books about Life on other planets -- Fiction (sorted by popularity)
- Revolt of the Outworlds Stephen Marlowe 117 downloads
- Rebels of the Red Planet Charles L. Fontenay 117 downloads
- A Matter of Protocol Jack Sharkey 111 downloads
- To make a hero Randall Garrett 110 downloads
- The Governor of Glave Keith Laumer 109 downloads
- The Desert and the Stars Keith Laumer 109 downloads
- Paradise Planet Richard S. Shaver 108 downloads
- Tiger by the Tail Poul Anderson 107 downloads
- Temptress of Planet Delight Betsy Curtis 107 downloads
- Retief of the Red-Tape Mountain Keith Laumer 107 downloads
- Gambler's World Keith Laumer 107 downloads
- Meleager : A fantasy Herbert M. Vaughan 104 downloads
- Between the dark and the daylight Algis Budrys 103 downloads
- Regulations Murray Leinster 102 downloads
- Way of the gods Henry Kuttner 102 downloads
- The Dancers Margaret St. Clair 101 downloads
- Planet of Sand Murray Leinster 100 downloads
- Bunzo Farewell Charles V. De Vet 99 downloads
- Palos of the Dog Star Pack J. U. Giesy 96 downloads
- A Toothache on Zenob Boyd Ellanby 96 downloads
- A Pride of Islands C. C. MacApp 95 downloads
- The Hero Elaine Wilber 95 downloads
- The overlord's thumb Robert Silverberg 95 downloads
- Skit-tree planet Murray Leinster 94 downloads
- The Timeless Ones Frank Belknap Long 94 downloads